Abstract: The invention relates to an added electrical heater (1), especially for a heating system or air conditioner of a motor vehicle. A plurality of heating elements (2) are provided which are formed by PTC elements while being fitted with at least one electrically conducting coating (3).

Abstract: The invention relates to a flat heater, which is used for applications in the range of heating voltages of up to 1000 V, produces attainable powers of up to 2 kW/m2 and is characterized by the fact that the electrical resistance required for the heating is formed by an electrically conductive cellulose nonwoven. Metallic contacts which are incorporated ensure the connection of the conductive cellulose nonwoven to a voltage source. Polymer films applied on both sides provide mechanical and electrical protection and prevent the ingress of moisture into the cellulose nonwoven.

Abstract: The present invention relates to a heat-generating film and to a heat-generating product comprising same. The heat-generating film of the present invention can continuously and stably generate heat even at a low voltage, for example, at a voltage of 12V or lower. In addition, the heat-generating film of the present invention has excellent comfort properties, filling properties, and flexibility. Accordingly, the heat-generating film of the present invention can be applied to a variety of heat-generating products, for example to a heat-generating sheet for a vehicle or for a baby stroller, or to a variety of portable heat-generating products or the like to exhibit superior effects.

Abstract: The present invention relates to a heating element for heating at least one surface contacted at times by a user, with a plurality of heating conductors or heating conductor sections that are directly or indirectly connected electrically to one another, at least in part by mutual contact, with at least one heating conductor or heating conductor section which, upon exceeding a permissible maximum temperature, at least temporarily loses its electrical conductivity at least in part. It is provided that the electrical resistance of at least two heating conductors or heating conductor sections is dependent at least in part on its mechanical strain, that these heating conductors or heating conductor sections are electrically connected to one another in parallel, and that they are separated from one another at least in sections by a spacing zone in order to prevent electrical connection between them in spacing zone.

Abstract: A heater for use in a phase change ink printhead reservoir is provided that includes a first insulating layer having at least one ink supply path opening, and a second insulating layer having at least one ink supply path opening that aligns with the at least one ink supply path opening in the first insulating layer. The heater includes a resistance heating trace arranged in a serpentine pattern between the first and the second insulating layers. The resistance heating trace is configured to receive electric current and to convert the electric current to heat. The resistance heating trace includes a trace ring for each ink supply path opening in the first and second insulating layers that forms a continuous perimeter around the corresponding ink supply path opening.

Abstract: A molybdenum silicide type-heating element and a method of manufacturing a heating element of the molybdenum silicide type. The heating element contains substantially Mo(Si1-x Alx)2 and Al2O3 and is prepared by mixing a molybdenum aluminum silicide-type material Mo(Si1-yAly)2 with SiO2, wherein the SiO2 has a purity of at least 98%.

Abstract: To provide a thermal cycling system allowing an efficient thermal cycling and an optical detection during the diagnostic process a thermal cycling system is proposed, comprising: at least one heating device (10a, 10b) having a transparent substrate (11a, 11b) and a heating element (12a, 12b), and a chamber (30) adapted to receive a sample, the chamber (30) is placed adjacent to at least one heating device (10a, 10b), wherein at least a part of the chamber (30) comprises a transparent area (31) aligned with the transparent substrate (11a, 11b) of the at least one heating device (10a, 10b). Thereby, the speed and efficiency of the thermal system is increased. Moreover, an optical detection of the sample is possible.

Abstract: The present invention provides a partial heat-emitting body including a transparent substrate and a conductive heating element provided within a distance of 20 cm or less from at least one edge portion among edge portions of at least one surface of the transparent substrate.

Abstract: The present invention relates to an electrode composed of carbon having at least two different zones, wherein an outer zone (A) forms the base of the electrode and carries one or more inner zones, wherein the innermost zone (B) projects from the zone (A) at the top and has a lower specific thermal conductivity than zone (A).

Abstract: A spa heater includes a heater element having a single outer wall with indentations near each end for receiving clips for positioning the heater element. The indentations are preferably stamped or formed by some other method which does not weaken the outer wall and the heater element is retained by use of the clips in the indentations. Incorporation of the indentations and the clips allows use of a single thin outer wall thereby reducing cost. The heater element is held and sealed by a combination of O-rings, stepped washers, snap rings clips, and caps. An electrical connection may be made using ring type wire ends residing under the caps or by connecting to posts extending from the ends of the heater element. The heater element is preferably a spiral heater element and a titanium outer wall may be used to resist corrosion and increases heater element life.

Abstract: There are provided a ceramic heater in which a defect, such as generation of a gap at the interface between an insulating substrate and a heat-generating resistor, is unlikely to occur in the course of manufacture or use, and a glow plug using the ceramic heater. A ceramic heater 110 includes an insulating substrate 111 extending in the direction of an axis AX and a heat-generating resistor 115, which has a heat-generating portion 116, two lead portions 117, 117 and two lead lead-out portions 118a and 118b. The ceramic heater 110 satisfies an expression S1?0.34 Sa, where Sa is the area of a cross section of the ceramic heater 110 taken perpendicular to the direction of the axis AX, and S1 is the total cross-sectional area of the two lead portions 117, 117 as measured in the cross section.

Abstract: Methods of forming a layered heater are provided that comprise at least one resistive layer comprising a resistive circuit pattern, the resistive circuit pattern defining a length, a thickness, and a spacing, wherein the thickness varies along the length of the trace of the resistive circuit pattern for a variable watt density. The methods include achieving the variable thickness by varying a dispensing rate of a conductive ink used to form the resistive circuit pattern, varying the feed rate of a target surface relative to the dispensing of the ink, and overwriting a volume of conductive ink on top of a previously formed trace of the resistive circuit pattern.

Abstract: The present invention provides a composite heating element suitable for heating an article when activated by a power source. The composite heating element comprises a first backing layer and a discontinuous circuit formed of a conductive material disposed on the first backing layer. The discontinuous circuit has terminal ends for electrical connection with the power source and defines at least one gap between the terminal ends. The composite article further comprises a second backing layer spaced from the first backing layer. A trace formed of a conductive material is disposed on the second backing layer. The trace is aligned with the at least one gap for forming a complete circuit when the first and second backing layers at least partially abut each other with the trace extending across the gap and contacting the discontinuous circuit.

Abstract: An electrically heated aerosol-generating system for receiving an aerosol-forming substrate includes a heating element including a first electrically conductive element electrically insulated from a second electrically conductive element by an electrically insulating portion. The first and second elements are elongate and are electrically connected to each other by an electrically resistive portion. At least one electrically conductive element and the electrically resistive portion are arranged such that they are at least partially in contact with the aerosol-forming substrate.

Abstract: A thermally emissive apparatus (2) having an electro-thermal heating element (6) comprising a layer (8) of a first material having a first resistivity and a plurality of discrete regions (10) of a second material having a second resistivity substantially lower than that of the first material in electrical contact with the first material. The plurality of regions (10) of second material are arranged spatially so as to impart a predetermined effective sheet resistivity to the first layer (8). A plurality of heating elements may be used having a common first layer (30) of first material, wherein the spatial arrangement of the regions (10) of second material within a first heating element are optionally different to that within a second heating element. In this configuration the first and second heating elements may emit infrared radiation (14) having different intensities. The apparatus (2) finds applications as a thermal target and as an electro-thermal ice protection device.

Abstract: An austenitic alloy for high temperature use, particularly for use in resistance heating elements. The alloy includes primarily the elements Fe, Ni, and Cr, and it has the following main composition, given in weight %, Ni 38-48, Cr 18-24, Si 1.0-1.9, C<0.1, and the balance Fe. The alloy provides good hot form stability, good oxidation resistance, and a relatively high electrical resistance coupled with a low change in resistance as a function of temperature.

Abstract: An open coil electrical resistance heater uses a number of offset insulators to support the coil of the heater. The offset insulators configure the run of coil in a sinusoidal shape to hold the insulators in a more secure manner and reduce vibration and noise generation during heat operation. The sinusoidal configuration of the coil also reduces the problem of shadowing of portions of the resistance wire coil.

Abstract: A ceramic heater comprising a ceramic body, a heat generating resistor buried in the ceramic body, an electrode pad that is electrically connected to the heat generating resistor and is formed on the surface of the ceramic body and a lead member bonded onto the electrode pad.

Abstract: A yarn (100) suitable for a car seat heating system comprising one or more bundles (110,120,130), each bundle comprising at least ten metal fibres (140) is described. The twisted yarn further comprises a solvent-based lubricant, said lubricant comprising a polymer binder and solid particles. It has been found that the application of such particular lubricant to the yarn provides for an improved flexlife of the yarn.

Abstract: A ceramic heater includes a core material and a ceramic sheet covering the core material, and wherein a side of the ceramic sheet opposite the core material is an outer side of the ceramic heater. A method for manufacturing the ceramic heater includes forming a through hole in a ceramic sheet which is diametrically enlarged from a first surface toward a second surface of the ceramic sheet, forming a via conductor, forming on the second surface a heating portion and lead portion for connecting the heating portion and the via conductor, and covering a core material with the ceramic sheet such that the first surface faces an outer side of the ceramic heater.

Abstract: A cylindrical heating element comprising a cylindrical member, a metallic pattern provided on at least one of outer and inner circumferential surfaces of the cylindrical member, which is capable of generating heat by being electrified, and a resistive pattern for detecting temperature provided on at least one of the outer and inner circumferential surfaces of the cylindrical member. A fixing device which passes a recording medium on which an unfixed toner image is held through a nip formed by a rotating member for heating and a rotating member for pressurizing which is pressed against the rotating member for heating to fix the toner image on the recording medium with heating under pressure, the rotating member for heating comprising the cylindrical heating element.

Abstract: The present invention relates to a PTC heating element with at least one PTC resistance element which is arranged between two electrically conductive plates in a housing opening of a housing and, with at least one of the electrically conductive plates as an intermediate layer, which is pressed with an initial tension against a heat-emitting element which is held at the housing. With the present invention, a PTC heating element of the type mentioned at the beginning that can be manufactured easily and economically is to be specified. To solve this problem, the present invention further develops the PTC heating element mentioned at the beginning in such a way that attachment tabs arranged on the edge of the housing opening protrude beyond the housing opening and in such a way that the heat-emitting element has tab cuts, behind which the tabs engage.

Abstract: Apparatuses and techniques relating to a resistive heating device are provided.

Abstract: A front cover for a vehicle lighting fixture is attached to the front opening part of the vehicle lighting fixture having a lamp body and a light source installed in the lamp body. A part of the surface of the front cover opposed to the light source includes a heating element having a three-dimensional curved surface. The heating element includes a mesh pattern having intersections of a large number of grids formed of conductive metallic filaments and a first electrode and a second electrode formed at both opposed ends of the mesh pattern. The projection shape of the outline of the entire mesh pattern is formed in a rectangular shape having the longitudinal direction, for example, between the first electrode and the second electrode.

Abstract: A chest refrigerator and/or freezer with a carcass and a cover movable relative to the carcass, includes a pane, preferably a pane of glass or plastics, or is formed by the pane, with a heating element provided by which the pane can be heated.

Abstract: Provided are a heating element, which includes: a transparent substance; a conductive heating line that is provided on at least one side of the transparent substance; bus bars that is electrically connected to the conductive heating line; and a power portion that is connected to the bus bars, wherein 30% or more of the entire area of the transparent substance has a conductive heating line pattern in which, when the straight line that intersects the conductive heating line is drawn, a ratio (distance distribution ratio) of standard deviation in respects to an average value of distances between adjacent intersection points of the straight line and the conductive heating line is 2% or more, and a method for manufacturing the same.

Abstract: Provided are a heating element that includes: a transparent substance; a conductive heating line that is provided on at least one side of the transparent substance; bus bars that is electrically connected to the conductive heating line; and a power portion that is connected to the bus bars, wherein 30% or more of the entire area of the transparent substance has a conductive heating line pattern that is formed of closed figures where a distribution is continuous and a ratio (area distribution ratio) of a standard deviation in respects to an average value of areas of the closed figures is 2% or more, and a method for manufacturing the same.

Abstract: The present disclosure provides devices for rooting and/or dormancy for plant bulbs. The devices can include at least two components configured to form a chamber when engaged and at least one of the components can receive electronic communication and control the environment within the chamber. The devices can include at least one tray, which supports one soil vessel within the chamber. The chamber is environmentally controlled to provide rooting and/or dormancy for plant bulbs and can include at least two elements that engage and define a space substantially free of ambient light. At least one of the elements can control the environment within the space. The present method provides for bulb rooting and/or dormancy by coupling at least two components to form a chamber and providing an environment conducive to bulb rooting and/or dormancy within the chamber by maintaining a predetermined temperature within the chamber.

Abstract: The present invention pertains to an electric heating element with at least one flat heating resistor to be arranged near a surface to be heated, and at least one electrode that serves to feed a current into the heating resistor and features at least two contact conductor strands that are, at least locally, connected to one another and to the heating resistor, at least in an elongated contacting region. The invention proposes that at least at one location along the electrode and/or the contacting region at which at least one of the contact conductor strands, at least locally, extends parallel to the direction of the electrode, and/or the contacting region, at least one additional contact conductor strand, at least locally, extends at an angle thereto.

Abstract: An electric blanket has a woven web of warp and weft fibers. At least a portion of the warp fibers are electrically conductive. At least a portion of the weft fibers are electrically conductive and interweave with the electrically conductive warp fibers at a first area of the web. A power source in electrical communication with the web applies a voltage to the web that produces a wide area electrical distribution at the first area.

Abstract: Certain embodiments pertain to a heater for warming a patient's extremity in order to cause vasodilation for facilitating venous catheterization.

Abstract: There is disclosed an ice protection system for a structure (1100), the ice protection system comprising: a plurality of independently controllable heater elements (1108, 1110, 1112) arranged on the structure; and a control system, operable: to detect an underperformance of at least one underperforming heater element (1114); and to control the supply of power to at least one further heater element (1120) in dependence on a stored relationship or algorithm relating said at least one further heater element to said at least one underperforming heater element.

Abstract: A flexible electrode and methods for using the same. The electrode includes one or more flexible conductive portions, and one or more substantially rigid conductive portions. The flexible electrode portion can be a slotted pipe, a flat plate or a rod. Methods for use of the flexible electrodes include in electric resistance heating, including for oil recovery and subsurface soil and water remediation applications.

Abstract: A heating device having a layer containing electrically conductive plastic. The layer exhibits adhesive characteristics at least in some sections on at least one side. A heatable object equipped with a heating device of this type. The layer containing electrically conductive plastic is connected to at least one component of an object. A. radiant heating system including a support and a heating layer containing electrically conductive plastic, whereby the heating layer is formed by a flexible film and the support is also flexible. Methods to produce such products and apparatus.

Abstract: A heating body is provided. The heating body includes a plurality of heating members having different thermal expansion coefficients and a tube in which the heating members are disposed. At least one of the plurality of heating members supports other heating member.

Abstract: A heater that may be applied to a substrate. The heater may include a graduating material deposited on at least a portion of a substrate, a resistive material and a thermal barrier dielectric coating. The resistive material may include at least two resistive compositions, wherein the resistivity of the material may be altered by varying the composition in given areas.

Abstract: A heating plate for a hair straightening iron and a method for its manufacture are provided. The heating plate consists of a case comprising two laminates made of insulating ceramic material; one of them holds a band made of electrical conductor material with outer connections, while one of the laminates has a surface coated with a polished layer of material; the case of the heating plate has features to adapt to the base structure of the iron. The manufacturing process comprises: 1) preparing a ceramic powder which comprises the milling of dispersants and adding solvents, mixing with a binding agent and adding plasticizer to control viscosity of the result, 2) moulding and corresponding drying; 3) cuffing plates and screen-printing the resistor; 4) laminating the whole by pressure and cutting; 5) burning the binding agent and sintering; and 6) welding contact terminals, and coating with a polished layer.

Abstract: This heating cartridge (1) includes a thermally conductive tube (2) to be immersed in a thermo-expandable substance of the thermostatic element, electric heating means (3), arranged inside the tube and provided with wires for conducting an electric current supplied by an external current source, and connection means between the wires and ports (7) powered by the external current source, these connection means comprising a support base (4) integral with the tube. In order to facilitate the electric connection between the wires and the ports and make it more reliable, the connection means comprise coupling pieces (6), supported by the support base and designed to pinch each port against the corresponding wire.

Abstract: An integral magnet and heater device comprising a heating element with integral permanent magnet for use in a sample preparation or analysis apparatus. Also disclosed is a sheath adapted to cover a reusable processing component, such as a heater or sonicator, of an apparatus during use. Other associated aspects of the system are described and claimed.

Abstract: An electrically conductive, flexible web material assembly includes a polymer-bonded electrically conductive coating on a flexible, electrically non-conductive carrier, and at least two electrodes for feeding electric current. The electrodes are flexible bands made of an electrically conductive material, and each electrode is fixed on the flat carrier by way of one or more stitches. At least one surface of each electrode has a surface contact with the electrically conductive coating. There are also described a variety of implementations of the electrically conductive, flexible web material assembly in heating elements and in clothing.

Abstract: A heated body mat realized by an assembly covered by a protective enclosure. The assembly has a major dimension (e.g., length) and includes a heat reflecting layer disposed between a top foam panel and a bottom foam panel. A resistive heater element is arranged in a single loop that provides coverage over a substantial part of the area of the mat. A plurality of thermostats (preferably 3 or more) are integrated as part of the loop and arranged in a series configuration being spaced apart along the major dimension of the assembly. Each one of said thermostats is normally closed and opens at one or more predetermined threshold temperatures to thereby open the current path loop realized by the resistive heater element. In use, electric power is supplied to the resistive heater element to generate heat that is emitted from the mat.

Abstract: An electrical heating element for vertical installation, includes vertically suspended electrical resistance elements for heating furnaces in industrial operation, each element having conductive legs, where along the length of the element there are placed ceramic disks provided with holes, through which holes the relevant legs of the element pass, where the ceramic disks are arranged between ceramic tubes and where an upper metallic central rod is positioned within the ceramic tubes, which central rod supports the element and where the element is surrounded by a radiative tube. There are a number of upper ceramic tubes outside of the upper central rod, with intermediate ceramic disks. The central rod extends a certain distance down into the radiative tube. A number of lower ceramic tubes with intermediate ceramic disks are positioned outside of a lower central rod.

Abstract: A heating element includes a continuous planar strip and a plurality of mounting members. A path of the continuous strip from a first end to a second end is circuitous and includes a plurality of repeating cycles, each of which includes a plurality of first straight segments, a plurality of second straight segments and a plurality of radiused segments. A length of the first straight segment is greater than a length of the second straight segment and an angular sum of a single cycle of the circuitous path is greater than 360 degrees. The heating element can be incorporated into a heating assembly for, as an example, semiconductor processing equipment.

Abstract: Disclosed herein is a carbon heater. The carbon heater comprises a carbon filament disposed in a tube for serving as a heating element. The carbon filament has support parts integrally formed at the carbon filament while being protruded from the carbon filament in the direction perpendicular to the longitudinal direction of the carbon filament such that the support parts are supported inside the tube. Consequently, the carbon filament is more stably supported in the tube by the support parts, whereby the service life of the carbon heater is increased, and easy and convenient design and assembly of the carbon heater is accomplished.

Abstract: An electrical resistance heating element of the sort suitable for use in de-icing an aircraft surface includes a foil patterned with a plurality of holes. The holes are in a first patterned region that extends in a first direction from a first end to an opposite second end. The holes define multiple electrical paths between the two ends. The holes, which may vary in size, are configured and dimensioned such that the multiple electrical paths in areas away from lateral edges of said first patterned region are all non-parallel to the first direction. In other words, the electrical paths do not follow a straight line from the first and second ends, but rather must wend their way around the overlapping holes.

Abstract: A strip-form silicon carbide furnace heating element is provided having a higher radiating surface area to volume ratio than a conventional tubular element.

Abstract: Improved micro machined (MEMs scale) heaters, which are particularly suitable for use in MEMs scale preconcentrators. Preferably the heater possess a trapping medium, in particular a polymer of intrinsic microporosity (PIMs). There is further provided devices comprising the preconcentrator, and methods of preparation and use. There is particular benefit directed to the use of a MEMs scale heater coated with the PIMs for use in hand-held or field portable chemical detection devices. The heater comprises a number of electrically conducting paths which have been engineered so that the electrical resistance of all the electrically conducting paths are substantially equal, to provide a more uniform heat distribution.

Abstract: A glow plug assembly (110) has a metallic heater probe (118) supported within a metal shell (112). A transition zone (144) at the base of the shell (112) includes a membrane (146) and a tube portion (148). A first open end (130) of the heater probe (118) is formed with a reduced diameter pilot section (150) that mates with the tube portion (148) to establish a joint area between the components. The membrane (146) may be made elastically deflectable so as to accommodate integration of a pressure sensor (156) in the glow plug assembly (110).

Abstract: The present invention relates to a heating element for heating at least one surface contacted at times by a user, with a plurality of heating conductors or heating conductor sections that are directly or indirectly connected electrically to one another, at least in part by mutual contact, with at least one heating conductor or heating conductor section which, upon exceeding a permissible maximum temperature, at least temporarily loses its electrical conductivity at least in part. It is provided that the electrical resistance of at least two heating conductors or heating conductor sections is dependent at least in part on its mechanical strain, that these heating conductors or heating conductor sections are electrically connected to one another in parallel, and that they are separated from one another at least in sections by a spacing zone in order to prevent electrical connection between them in spacing zone.

Abstract: An electrically heatable honeycomb body is formed with at least one wound stack of sheet-metal foils. A first end of the stack is connected to an electrical terminal and a second end is connected to an electrical ground. The stack has a plurality of sheet-metal foils which are in electrical contact with one another and which are at least partially structured and determine, in the direction of the structures, a height of the stack. The stack has at least one curvature with a small radius of curvature and a relatively large radius of curvature. A curvature section including the at least one curvature has at least one zone with increased electrical resistance starting from the small radius of curvature and extending over part of the height of the stack. A motor vehicle having at least one honeycomb body, is also provided.